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Ang Kee Hian
Courses Plus Student 12,213 PointsTrying to understand parameters in hooks
Hello all! I’m reading up on customizing woocommerce email templates and I came across this hook - do_action( ‘woocommerce_email_header’, $email_heading, $email ) at the start of the ‘customer-completed-order.php’ file.
I understand that the 2nd parameter - $email - is an instance of the WC_Email object. My question is where can I find the enabling of this parameter? How come the $email parameter means the WC_Email object?